Punching-machine.



PATENTED FEB. 25, 1908.-

T. A. LINDSEY. PUNGHING MACHINE.

APPLICATION FILED MAY 2, 1907.

llli WNW WW JINHM' 'W/TNESS 5 ATTORNEYS .State of 'North Carolina, have invented a the following isa specification.

' chines of that character designed forproduc ing blanks of mica and it relates more particularly to dies of peculiar construction and ar greatly facilitated and the cut blanks can be- I easily-separated from the waste. I

' by the dies can be heldsolidly'in properposh, -tion,- one of said dies: being adjustable so that invention consists ot'certain' 'no've features of construction andcombination of parts; which will be herein after more fully-described base and'the chuck a'nd'die mounted thereon;-

. reference, l'designates thetable ofzarnachine, the. same beingv provided-with anopening .2 designed to register with a similar opening.

3'formed in a base plate 4 which is secured to A-.tubular cylindrical shank 8 is designed to UNITED STATES THOMAS ARTHURLINDS EY, OF

PATENT FF-roll.

BILTMURE, ORTH CAROLINA;

PUNCHING-MACHINE.

no. scopes. Specification of Letters ZPatent. 2ateiited Feb. 25-, 1908- Application med Maya-1901' Serial to. 3714441.

To all whom it mag concern:

Be it known that I, THOMAS ARTH R LIND sEY; a citizen of the United States, residin at Biltmore, in the county of Bun'cornbe an new and useful Punching-Machine, of which This invention relates to punching marangement whereby the punching action Another object is to provide means wherethe two dies. can be properlycenter'ed. I

With these and 'ther objectsin view the! and-pointed out in the claims. v

Iii the accompanying drawings is shown the preferred form of the; invention; 7 x In said drawings: Figure I is .a view showing the dies-partly i'nsection arid-partly in elevation; and Fig. 2 a plan view of the Referring. to the figures. by characters of,

thetable bymeans ofbolts 5 orin any-othen suitable lniami'er l This base plate Jr-has a I central upwardly extending portion 6 which,

as shown in the drawings, may be;rectangular imoutline and formed-within this upwardly extending portion is'a socket 7, the walls of whichare concentric with the opening" 2.'

-14 which are preferably disposed at one and'serve toghold't-he. die in any position to all times'with the interior of the head l9v no I The movable o'r-punching diev '151has ahead the he'adf'18 ota plunger 19; Set screwsf20' within-the pocket.

described the base plate 4 is secured upon the table 1 below the' ie 15 and with thechuck .rnadeup of .the head 9 and shank .8 directly within socket 11-; until; the bore therein is Thefstock to be punched, and which is refer at 21, is placed betweenthe dies andthe die 1'5 upon descending will punch a blank from the stock and force it"into the small end of.

duced the blank which is first cut ishfo'rced is relieved from its bindingaction'upon the which may, be provided therefon;

:die'12 is capable of horizontal adjustment, thep assage within the head 9 and shank-8 intothe passage.

What is claimed'is; I

4 i .Thecombination witha base plate having a socket and an-opening concentric with the' passage, means afor' securing a chuckwithin ess diameterthan the lower portion thereof. I

matter what position the die 12 may assume.

#16 which fits snugly in a socket l 7 .formed'in When it is desired to use the dies-herein" beheath said diel' 'Die 12 is .thegadjusted .75. caused to accurately. register with the die 15 the-bore 13; As subsequent blanks-are pro-' into the larger portion of the bore"13 Where it.

wall of the socket; of a chuckydetachablf mounted within said plate "and having ahead 7 seated in'the socket and a shank within-the the-base plate; a cylindrioa'l die slidably mounted upon the bottom "of thesocket' in 'Die112isof slightly lessdiar'neter than: the socket 11 so that a slight-horizontal adjustment ofthe die is permitted. .This adjust ment may be effected by means of set-screws hundred-and-twenty degrees-to each other I I .60 which it maybe shifted. Theparts aJ fSO proportionedthat'the bore 13 will register at."

serve to bind upon the headjlfi .to secure it ablyin the form ofas'trip such as in icated I Wall of the. bore and is free to drop through the shank 8 and into" any suitable receptacl-e Importance is attached to the fact that the beingof such size 'as-to always extendentirelyacross the end of the;bore 13to1enable the blanks to pass freely fro'rnsaid bore and opening; there being a assage through the chuckand a circular soc etat one endofthe thegohugk-midhziying a b drejformdiwith my: own, fhag've heretojdffixgdmjslghature contracted're'ceiving fid,-'said'b0re register-1 iiift hpresnce bf tfWu witnsssi '1 ra it'y Qfjadjgs'bingdeyices within" the 01111616 5 and"aroundthe'sockt'for centeyil'lg the die Witnesses. within the :amoc lqe t.- "R. J. -S' r0K LY.,"

a Q In testimony that I clalix'nihd foregoing as; ETHEL JRI KMAN.

m times wi h e' pa g a a PM THOMAS ARTHUR LINDSEY. 

